Power button board
Description Spare part number
Power button board L01044-001
Power button board cable (included in Cable Kit) L01047-001
Before removing the power button board, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is o or in Hibernation, turn the
computer on, and then shut it down through the operating system.
2. Place the computer in “Battery Safe mode” (Battery Safe mode on page 32).
3. Disconnect all external devices connected to the computer.
4. Disconnect the power from the computer by rst unplugging the power cord from the AC outlet, and
then unplugging the AC adapter from the computer.
5. Remove the following components:
a. Service doors (Service doors on page 33)
b. Hard drive (Hard drive on page 41)
c. Keyboard (Keyboard on page 44)
d. Top cover (Top cover on page 48)
Remove the power button board:
1. Position the top cover upside-down.
2. Disconnect the cable from the connector on the board (1).
3. Remove the Phillips M2.0×3.0 screw (2) that secures the board to the top cover.
4. Lift the left side of the board (3), and then pull the board to the left (4) to remove it from under the tab
(5).
Component replacement procedures 53
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